Finding the Fourth Proportional to 2,669.62, 4,004.49 and 1,109.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.62 : 4,004.49 = 1,109.18 : x
2. Step 2: Convert to fraction form
   2,669.62/4,004.49 = 1,109.18/x
3. Step 3: Cross multiply
   2,669.62x = 4,004.49 × 1,109.18
4. Step 4: Simplify right side
   2,669.62x = 4,441,702.52
5. Step 5: Solve for x
   x = 4,441,702.52/2,669.62
6. Step 6: Final answer
   x = 1,663.80